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Originally Posted by LionHarted
But it is alive, and it is human, and those are two conditions that cannot be disputed. You are also alive and human, if I am not mistaken. Does having internal organs determine whether or not something is a human life? No. Does feeling pain determine whether or not something is a human life? No. And, if you didn't notice, NO organism lives on its own. They all require nourishment from an outside source.
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can't be disputed? why does half of america disagree with that if it can't be disputed? anyway, let's not turn this into another abortion debate. arguing about this will go nowhere. just realize that many many people don't consider an early embryo to be a living human.
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"Adult stem cells. Adult stem cells are unspecialized, can renew themselves, and can become specialized to yield all of the cell types of the tissue from which they originate. Although scientists believe that some adult stem cells from one tissue can develop into cells of another tissue, no adult stem cell has been shown in culture to be pluripotent."
This means that you cannot turn ANY strain of cells into ANY OTHER strain. Not that there is NO strain of cells that you cannot turn another strain into.
Also...
"Although embryonic stem cell research has not yet produced similar results, many scientists believe embryonic stem cell research holds promise over time because of the capacity of embryonic stem cells to develop into any tissue in the human body."
Although worded to endorse embryonic stem cell research, this hints only towards "promise" and "capacity," not "ability."
Source (link)
You'd choose a line of cells that HAS NOT reaped results over one that HAS?
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first off, you need a better source. the current administration does not support embryonic stem cell research, so you need to find unbiased information. bush's science advisor carries a bible with him wherever he goes.
according to the national institute of health, "Adult stem cells are generally limited to differentiating into different cell types of their tissue of origin."
as for progress, I should hope more progress has been made with adult stem cells. why? because embryonic stem cells get no federal funding. obviously it's not gonna go anywhere if it's listed in popular science as one of the worst jobs in america. but if you want results, humans are a result of embryonic stem cells. that's a pretty good result if you ask me.
also, my point remains that there are embryos being thrown away from clinics. why not use one of these? even then, we already have embryonic stem cell lines. continuing these doesn't require more embryos.